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Nearest A/C Repair for Your 1993 Mercedes-Benz 190E

A/C Repair Service for Your Mercedes-Benz 190E

When you get in the car on a hot summer day, the last thing you want is a broken air conditioner. Your steering wheel feels like lava. Sweat soaks the driver's seat. You take a deep breath and ask yourself, “Who can fix my Mercedes-Benz 190E A/C?” Firestone Complete Auto Care — that’s who! We’ve got experience with Mercedes-Benz vehicles, and our trained technicians can identify and repair issues with 1993 Mercedes-Benz A/C systems. Come to your local Firestone Complete Auto Care in your Mercedes-Benz 190E

During this initial A/C performance check, we’ll look at the state of your 1993 Mercedes-Benz 190E’s A/C system to determine whether repair work is needed. This check will include an examination of system pressure, a visual inspection, and a leak test. If we think there might be a leak, we'll run a special U/V dye through the system or use a "sniffer." A “sniffer” isn’t a technician with a good nose! It’s a machine that’s used on different parts of your Mercedes-Benz 190E A/C system to identify points where refrigerant fumes could be escaping the system. If there's a leak, we'll find it and fix it.

Recharge the A/C in Your 190E

Let's say we repair your 1993 Mercedes-Benz 190E A/C system. We will also perform an A/C evacuation and recharge. During this process, a technician will remove the old refrigerant from the A/C system. Then, they’ll perform an evacuation (also known as a discharge) on the entire system per Mercedes-Benz guidelines. To finish, we’ll add new refrigerant to recharge the A/C system, and once the technician tests the cool blast for themselves, you're ready to get back on the road. Our technicians know how to keep your A/C in tip-top shape with 1993 Mercedes-Benz 190E A/C recharges.

Other Mercedes-Benz 190E A/C Problems

Warm air isn't the only Mercedes-Benz 190E A/C problem you may encounter. Other common A/C problems include weak airflow, which could mean you have a compromised seal, mildew or mold buildup, a loose or damaged hose, or a ventilation fan that needs to be replaced. An A/C system that starts off blowing cold air but then turns warm may suggest a leak, a blown fuse, or a damaged compressor clutch. And smelly A/C in a 1993 Mercedes-Benz 190E? You could have a moldy evaporator case, or you may simply need a new cabin air filter installed. Our technicians will work to solve your A/C problems to the best of their ability. So, chill out. We're here to help you get the blast back in your 190E’s A/C!

Questions About 1993 Mercedes-Benz 190E A/C Systems

  • How do I make my 190E air conditioning colder? For starters, use a sun-blocking shade in the windshield while you’re parked, or look for a shady parking spot. Closing all the passenger vents in your car can help redirect cold air toward you, cooling you off faster. Still need more chill? Head to Firestone Complete Auto Care for an A/C performance check and recharge.

  • Why do I get hot air from my 190E A/C? If your car’s air conditioning isn’t blowing cold air at all (or it tries, then turns warm), you could have a clogged expansion valve, a faulty compressor clutch, a leak, or a malfunctioning fuse in the system.

  • What causes A/C system leaks? To put it simply, age and moisture are some of the main causes of leaks in your A/C. Over time, rubber gaskets and seals can wear out, which pushes much-needed refrigerant out of your 190E’s A/C system — and lets outside moisture get in, which can take a toll on internal A/C components.

Sours: https://vehicle.firestonecompleteautocare.com/mercedes-benz/190e/1993/maintenance/ac-service/

DIY Mercedes AC Recharge – HowTo the easy way

mercedes benz ac rechargeThe hot summer days are here and you realize that the air conditioner on your Mercedes-Benz is no longer blowing cold air. A/C problems can be complicated but it also can be something as simple as the system being low on freon. This is usually one of the most common problems. The solution is simple: your air conditioning system may need recharging. In many cases you can add R134a refrigerant and your system is back to working normal again. In this step by step guide we will show you how to recharge the A/C system using a R134a rechargin kit. This method is used to top off an A/C system that has been working fine for 5 or 6 years. Toping off a system that is over 5 years old is normal as long as there are no major leaks or defective compnents. 

The purpose of this guide is to address the following:

  • Mercedes-Benz needs AC recharge
  • Mercedes AC blows hot air
  • Mercedes air conditioner needs service
  • Aircon regas Howto DIY
  • How to recharge Mercedes A/C yourself
  • Auto A/C Service
  • Choosing the best R134a freon refrigerant
  • A/C or Econ light is flashing or on

What is the best R134a recharging kit for Mercedes-Benz?

There are so many recharge kits on the market that makes it difficult to choose which is the best R134a refrigerant. It is important to understand that all R134a is basically the same, what is important is what else has been added to the R134a. There are a few things more important than “Super ice cold, sub zero” labels.

What to look for when choosing an R134a recharging kit or also known as aircon regas kit. Look at the can and you will see some of the following labels or none of them if it is just simply R134a with no additives.

As you choose an A/C recharge kit keep these questions in mind.

Do I need the A/C recharge kit to have?
  • Oil mixed to help with the lubrification
  • Leak sealer to help prevent small leaks
  • A/C dye to help a mechanic easily find leaks
  • Reusable dispenser and gauge
  • Adjustable temperature gauge that can help you fill the a/c properly.
Now it is up to you what you will like to add the air condition system of your Mercedes-Benz, which depends on your situation. If you suspect a small leak you can use a refrigerant kit with leak sealer, if you have a large leak then skip the small leak recharge kit and go for an aircon regas kit that has dye in it. Or if you know you have a seal proof system or don’t like the idea of adding these additives into the expensive Mercedes-Benz  A/C climate control system, then adding pure R134a or just one with only added oil will be the safest way to go.

Recommended R134 A/C refrigerant kits for aircon refill?

There are no best A/C refrigerant kits, as that depends on your needs as described above. With that said here are a few kits that are highly ranked and affordable. If you are intersted on any of them, links have been provided for you to read reviews and check current prices on Amazon.

Of course, you can choose any kit that you prefer. These are some of the most popular kits. Now let’s move on how to charge your AC system.

Instructions on how to charge the A/C in your Mercedes-Benz

This video shows how to recharge the air conditioner on your Mercedes-Benz. Charging the system with a refrigerant charging kit can take between 5 to 10 minutes depending on the system capacity.

Before we begin, remember: These instructions may vary depending on the AC recharge kit that you are using. Be sure to always read the instruction notes on your recharging kit. The gauge that you will see in our video is similar to the gauge found on one of top selling A/C recharge kits, the A/C PRO ACP-100.

  1. Turn the engine on and let it idle. Turn the air conditioner ON and set it to the maximum cooling  setting.
  2. Open the hood of your VEHICLE and locate the low-pressure AC service port and remove the cap.ac low charging port location
  3. Attach the refrigerant gauge to the service port. You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it.
  4. Rotate the dial on the lens until the red arrow in the middle of the V is pointing to the temperature corresponding with outside temperature. If the pressure is below the range of the V and the air climate control is blowing hot air that means the system is low on refrigerant and you can proceeded with charging the system.
  5. Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone. If the pressure is normal then the gauge should be in the green zone. You should not have a reading on the HIGH / RED zone except when the car is turned off, in which case it is normal.
  6. Always keep the can UPRIGHT. As you charge the system shake the can slightly every two or three seconds while you are charging.
  7. Every 30 seconds release the trigger to stop the charging process and read the pressure. Be careful to not overcharge the system. On our gauge overcharging was marked in red. Note that the system may show overcharged with the engine turned off and that is normal.
  8. Stop recharging the system when the pressure gauge shows within range. 
  9. Detach the connector from the low-pressure AC port. Reinstall the cap, close the hood and enjoy your A/C system again.

IMPORTANT NOTES

  • DO NOT TURN THE CAN UPSIDE DOWN WHILE CHARGING. Only gas should go into the AC system, by turning the can upside down the AC system will get liquid refrigerant which can cause the AC compressor to lock up and also wash out the oil. Keep the AC refrigerant can in the up position and only shake it slightly while charging.
  • If the refrigerant level is very low, the AC compressor will not engage. Charge the AC system for a couple of minutes with the engine running, and you should notice the AC compressor engage / kick in once you add enough refrigerant into the system.
  • Once the A/C kicks in and the air conditioning systems starts to work the pressure on the system may drop. Continue to add freon until the system shows pressure on the correct range correlating to the outside temperature.

What if your Mercedes-Benz A/C doesn’t work after a recharge?

If you used a recharge kit to top off your A/C system but the air conditioner still doesn’t blow cold air then it may be time to take your car in to a auto repair shop for A/C diagnosis. A profesional needs to perform a dye test and check the system for leaks.

Mercedes-Benz Air Conditioning Service Cost

A Mercedes-Benz specialized shop may charge you between $100-$150 to diagnose your A/C system. 

Important factors to keep in mind when charging the A/C system are:

  • Ensure the system is sealed and not leaking.
  • Ensure the system does not have any moisture or air in it. An A/C vacuum pump is needed to achieving this.
  • Ensure the compressor is operating correctly. Including the serpentine belt. Make sure the cooling fans work.
  • Clean out the condenser by the radiator! Dirt and leaves build up in there over the years. Take a garden hose and clean it.
  • Add the correct refrigerant amount. Don’t guess! There is a label under the hood which tells you how much to add.
  • Do not introduce liquid R-134a into the system. Only gas should enter via the A/C low-pressure charging port.

AC Light Flashing on my Mercedes-Benz

When you attach the gauge, the pressure is on the red zone.

This may happen because the engine is off or the A/C compressor is not engaged.

You measure the aircon gas pressure and the gauge shows zero.

This could happen because the system is very low on refrigerant. It could be that the system has a major leak.

When did Mercedes-Benz switch to R-134a refrigerant?

Mercedes-Benz switched to R-134a in the early 1990s. Look under the hood to see what refrigerant your air conditioner system uses. If you have an older Mercedes-Benz you may need to use R-12 which you can also find online here.

My gauge doesn’t have temperature gauge for outside temperature. How do I know how much R-134a refrigerant to add?

R-134a System pressure chart.

r134a remperature pressure chart

Recharging Mercedes-Benz A/C. Where to connect?

There are a couple of tools online that could help you locate the A/C low pressure charging port on your Mercedes-Benz

ac low charging port location
ml320 W163 A/C charging port location
Sours: http://www.mercedesmedic.com/diy-r134a-ac-recharge/
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How to Add Refrigerant to a 1986-1996 Mercedes-Benz 190E

1. Getting Started - Prepare for the repair

Learn More >

2. Open the Hood - How to pop the hood and prop it open

3. Locate Port - How to access the low pressure port

Car Displayed: 2005 Mercedes-Benz E320 CDI 3.2L 6 Cyl. Turbo Diesel

4. Air Conditioning Fill - Safely add refrigerant to your A/C system

5. Replace Cap - Replace the low pressure port cap

Car Displayed: 2005 Mercedes-Benz E320 CDI 3.2L 6 Cyl. Turbo Diesel

6. More Info. - Additional thoughts on recharging your A/C system

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When the air conditioner in your 1989 Mercedes-Benz 190E starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your 190E consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 1989 Mercedes-Benz 190E: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs.

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Sours: https://www.carcarekiosk.com/video/1989_Mercedes-Benz_190E_2.6_2.6L_6_Cyl./air_conditioner/recharge_freon

Convenient & Local 1988 Mercedes-Benz 190E A/C Repair

A/C Service for Mercedes-Benz 190E

There’s nothing worse than cranking your car air conditioner on a hot day — and discovering it’s broken. Your steering wheel feels like lava. That puddle in the driver’s seat? Sweat. Ugh. You take a deep breath and ask yourself, “Who can fix my Mercedes-Benz 190E A/C?” Easy — Firestone Complete Auto Care! We know Mercedes-Benz vehicles, and our trained technicians can identify and repair issues with 1988 Mercedes-Benz A/C systems. Steer your Mercedes-Benz 190E to your nearest Firestone Complete Auto Care

In this A/C performance inspection, we’ll check out the current condition of your 1988 Mercedes-Benz 190E A/C system to see if repair work is required. We’ll test overall system performance, check for any leaks, and measure the system pressure. If any signs point to a possible leak, we’ll send a special U/V dye through the system, or use something called a “sniffer.” A "sniffer" is a machine that's run along parts of your Mercedes-Benz 190E A/C system that can identify points where refrigerant fumes could be escaping the system. If there's a leak, we'll find it and fix it.

A/C Recharge for Mercedes-Benz 190E

When we perform an A/C repair on your 1988 Mercedes-Benz 190E, we’ll also do an A/C evacuation and recharge. During this process, a technician will remove the old refrigerant from the A/C system. Then, they’ll perform an evacuation (also known as a discharge) on the entire system per Mercedes-Benz guidelines. Finally, we’ll recharge the A/C system with new refrigerant and once we’ve done a final test on the system ourselves, you're ready to get back on the road. Our technicians know how to keep your A/C in tip-top shape with 1988 Mercedes-Benz 190E A/C recharges.

Common Mercedes-Benz 190E A/C Problems

Hot air is a common Mercedes-Benz 190E A/C problem, but it’s not the only issue you might encounter. Typical A/C problems also include weak airflow, which could be caused by mold or mildew buildup, a loose hose, an old ventilation fan, or a compromised seal. An A/C system that starts off blowing cold air but then turns warm may suggest a leak, a blown fuse, or a damaged compressor clutch. What about those (somewhat unpleasant!) smells coming through the A/C vents in your 1988 Mercedes-Benz 190E? You could have a moldy evaporator case, or you may simply need a new cabin air filter installed. Our trained technicians will do what they can to solve your A/C problems. We’re here to help you get back on the road in your 190E — without all the sweat puddles!

Questions About 1988 Mercedes-Benz 190E A/C Systems

  • How do I make my 190E air conditioning colder? Here are a few quick ideas. Shut the passenger air vents and point the other vents directly toward you. Park your car in the shade and use a window sun blocker. Then visit Firestone Complete Auto Care for an A/C performance check and recharge.

  • Why do I get hot air from my 190E A/C? If your car’s air conditioning isn’t blowing cold air at all (or it tries, then turns warm), you could have a clogged expansion valve, a faulty compressor clutch, a leak, or a malfunctioning fuse in the system.

  • What can cause an A/C system leak? A/C system leaks are often due to a combination of age and moisture. Rubber seals and gaskets naturally degrade over time, allowing refrigerant to exit and moisture to enter your 190E's A/C system.

Sours: https://vehicle.firestonecompleteautocare.com/mercedes-benz/190e/1988/maintenance/ac-service/

Ac recharge 190e

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How To Retrofit an AC System R-12 to R-134a -EricTheCarGuy

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